These resources focus more on a historical context of origin or usage of certain music in video games, rather than a deep analysis of its specific harmonic/form traits:
- Melanie Fritsch and Tim Summers. Cambridge Companion to Video Game Music
- 🎥 Beep: Game Sound History
- Karen Collins with Chris Greening. The Beep Book: Documenting the History of Game Sound
- https://soundcloud.com/retrogameaudio
- books by William Gibbons
- Seventh Sam - VGM analysis https://musescore.com/user/29606925